Microsoft Defender Alternatives

Microsoft Defender is described as 'Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10 Creators Update, or Microsoft Defender Antivirus before Windows 11) is an anti-malware component of Microsoft Windows' and is a very popular Anti-Virus app in the security & privacy category. There are more than 100 alternatives to Microsoft Defender for a variety of platforms, including Windows, Mac, Android, Linux and iPhone apps. The best Microsoft Defender alternative is Malwarebytes Anti-Malware, which is free. Other great apps like Microsoft Defender are Avast Free Antivirus, ClamAV, Bitdefender Antivirus and Spybot - Search & Destroy.

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Alternatives
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Alternatives list

  1. This is a fork of the original (and discontinued) app, which is still looking for maintainers. Please consider to apply to keep this app maintained !

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Good alternative?
     
  2. Norton 360 icon
     8 likes

    All-in-one suite delivering antivirus, malware protection, firewall, secure VPN, cloud backup, password manager, dark web monitoring, parental controls, and identity theft safeguards, including LifeLock alerts, real-time protection, and cross-device coverage.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  3. Offers comprehensive antivirus with VPN, identity monitoring, AI-driven malware defense, and unlimited device coverage. Features privacy enhancements like Personal Data Cleanup and Secure VPN for public Wi-Fi, with up to $2 million identity theft insurance.

    70 McAfee Total Protection alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    Good alternative?
     
  4. Experience comprehensive online protection across computers, phones, and tablets with robust defenses against spoofed websites, ransomware, and other online threats. Enhance your security with antivirus, anti-malware, and privacy tools, backed by real-time threat detection and frequent updates.

    78 Avast Premium Security alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Good alternative?
     
  5. Comodo Antivirus eliminates viruses, spyware, and other malware from desktops and networks.

    68 COMODO Antivirus alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Alerts

    • Bundleware

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  6. Cloud-based endpoint platform for real-time detection, prevention, and response to threats using lightweight sensors, advanced machine learning, graph analysis, and threat intelligence—instantly identifying known and unknown attacks for seamless enterprise protection.

    72 CrowdStrike Falcon alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  7. Webroot Essentials provides comprehensive cloud-based protection from online threats for all your devices, keeping you safe no matter how or where you connect.

    27 Webroot Essentials alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    Good alternative?
     
  8. Real-time malware defense featuring quick, full, scheduled, and drag-and-drop scanning, webcam protection, cloud-based threat detection, regular updates, and advanced customization for security settings, all with low device impact and support for 5 devices.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    Good alternative?
     
  9. Defends against viruses, ransomware, and spyware using automatic updates and DeepGuard 2.0. Includes Scam Protection, Banking Protection, Gaming Mode, and more for optimal performance and security across devices.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    Good alternative?
     
  10. TRAPMINE Platform combines proven technologies such as machine learning, behavior monitoring and exploit prevention techniques in a single agent to provide fool-proof defense against exploit attempts, file-less malware, ransomware and other forms of targeted attacks.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Good alternative?
     
  11. ClamXav icon
     26 likes

    ClamXav is a virus scanner for Mac OS X. It uses the very popular ClamAV open source antivirus engine as a back end and has the ability to detect both Windows and Mac threats.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    Good alternative?
     
  12. Avast One icon
     Like

    All-in-one solution combining antivirus defense, built-in VPN with 5 GB weekly for free users or unlimited for paid, data breach monitoring, web shield for unsafe sites, privacy tools, phishing protection, and multi-device security for browsing and online accounts.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
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